A school zone parking sign package mixes MUTCD S-series school warning signs with parking-restriction R-series and drop-off-lane custom signs. Standard package on a typical K-8 elementary school includes the S1-1 school crossing sign (fluorescent yellow-green diamond, 30 by 30 inches), S5-1 reduced speed plaque ("SPEED LIMIT 20 / WHEN CHILDREN PRESENT"), drop-off-lane no-parking signs, and pedestrian-crossing W11-2 signs. Oregon enforcement under ORS 811.235 doubles speeding fines in marked school zones during posted hours -- the sign package is what creates the marked zone.
What MUTCD Sign Series Covers School Zones?
MUTCD Chapter 7 governs traffic control for school areas. The S-series of warning signs is dedicated to school applications.
| Sign | Description | Standard Size |
|---|---|---|
| S1-1 | School crossing (walking-children symbol) | 30 by 30 inch diamond, fluorescent yellow-green |
| S2-1 | School pedestrian (school approach) | 30 by 30 inch diamond, fluorescent yellow-green |
| S3-1 | School bus stop ahead | 30 by 30 inch diamond, fluorescent yellow-green |
| S4-1P / S4-2P | Time / day plaque (e.g., "WHEN CHILDREN PRESENT") | 24 by 12 inch rectangle |
| S4-3P | "SCHOOL" plaque | 24 by 12 inch rectangle |
| S4-4P | "SCHOOL DAYS" plaque | 24 by 12 inch rectangle |
| S5-1 | Reduced school speed limit (e.g., 20 mph) | 24 by 30 inch rectangle |
| S5-2 | End school zone | 24 by 24 inch rectangle |
What Sign Package Does a Typical Elementary School Need?
A standard K-8 elementary school in Oregon runs the following package:
At the School Approach Boundary
- 1 S5-1 reduced speed limit sign each direction (typically "SPEED LIMIT 20 / WHEN CHILDREN PRESENT")
- 1 S4-1P or S4-3P plaque mounted below S5-1 if conditional times apply
- 1 S5-2 "END SCHOOL ZONE" sign each direction at the boundary exit
At Pedestrian Crossings
- 1 S1-1 school crossing sign each direction at the marked crossing
- Pavement crosswalk striping (zebra or longitudinal pattern per MUTCD 3B.18)
At the Drop-Off Lane
- 1 R7-series no-parking sign at the entrance to the drop-off lane (typically "NO PARKING / DROP-OFF ONLY / [hours]")
- 1 sign at every 8 to 12 stalls along the drop-off lane
- 1 R7-series "BUS LOADING ZONE / NO PARKING" if the lane includes bus access
At the Staff / Visitor Lot
- 1 R7-21a permit parking sign at the entrance (staff lot)
- 1 R7-8 + R7-8a ADA sign at each accessible stall
Speed Bumps and Tables
- W17-1 "BUMP" advance warning sign 50 to 100 feet upstream of each speed bump
- Rapid-flashing beacon optional at high-volume crossings (separate spec)
What Material Spec Should I Use?
School-zone signs sit at the highest visibility tier in MUTCD. Spec accordingly.
| Component | Spec |
|---|---|
| Panel | ASTM B209 0.080-inch aluminum |
| Sheeting (warning signs) | ASTM D4956 Type IV high-intensity prismatic, fluorescent yellow-green |
| Sheeting (parking signs) | Type IV high-intensity prismatic, white on red |
| Symbol / legend | Vinyl-cut per MUTCD layouts |
| Post (S-series and W-series warning signs) | 9-foot 2-inch galvanized U-channel or telespar |
| Post (drop-off no-parking signs) | 9-foot 2-inch galvanized U-channel |
| Footing | 12-inch diameter by 24-inch deep concrete |
| Mount bracket | Stainless steel theft-resistant fasteners |
What Does ORS 811 Add?
Oregon Revised Statutes Chapter 811.235 doubles speeding fines in marked school zones during posted hours. The sign package is what creates the "marked" school zone for enforcement purposes -- absent the S5-1 reduced speed limit signs and conditional plaques, ORS 811.235 enhanced fines do not apply.
This makes the sign install both a safety intervention and an enforcement enabler. A school zone with faded or missing S5-1 signs loses the doubled-fine deterrent and recovers it only after the signs are reinstalled.
What Does a School-Zone Sign Install Cost?
Industry Baseline Range
| Component | Cost Range |
|---|---|
| S1-1 / S2-1 / S3-1 30 by 30 fluorescent yellow-green panel | $90 to $200 |
| S5-1 reduced speed limit 24 by 30 panel | $80 to $180 |
| S4-1P / S4-3P plaque 24 by 12 | $35 to $90 |
| W11-2 pedestrian crosswalk 30 by 30 | $90 to $200 |
| W17-1 "BUMP" advance warning | $40 to $90 |
| R7-series drop-off no-parking | $40 to $90 |
| 9-foot post + footing + bracket installed | $145 to $300 |
| Crew labor, batched (8-plus signs) | $35 to $90 per sign |
These figures reflect published industry averages. Current market pricing varies significantly and actual quotes may fall well outside these ranges based on site-specific conditions, material costs, and project complexity.
Current Market Reality
2026 fluorescent yellow-green sheeting is in tight supply because of microsphere shortages -- pricing trends 15 to 25% above baseline. School-zone installs run higher per sign than standard parking signs because more of the panels use the more expensive fluorescent sheeting.
School-Zone Sign Install in the Field
Cojo installed a 14-sign school-zone package at an Oregon City K-5 elementary school in March 2026:
- 2 S5-1 reduced speed limit signs each direction at the school approach (4 total)
- 2 S5-2 end school zone signs (2 total)
- 2 S1-1 school crossing signs at the marked pedestrian crossing
- 4 W11-2 pedestrian crosswalk signs
- 2 W17-1 "BUMP" signs at the speed bumps in the drop-off loop
- 2 R7-series drop-off lane no-parking signs
Total project: $5,180 batched. The school had been running on faded original signs from 2014; the refresh restored ORS 811.235 enhanced-fine enforcement and was paired with a restripe of the drop-off-lane crosswalk and speed bump markings.
What Mistakes Should I Avoid?
Mistake 1: Standard Yellow on School Warning Signs
MUTCD Section 7B.08 requires fluorescent yellow-green on school warning signs (S1-1, S2-1, S3-1). Standard yellow is non-compliant on these specific designations. Mixing colors across the package fails inspection.
Mistake 2: Missing Conditional Time Plaques
S5-1 reduced speed limit signs without S4-1P or S4-3P time plaques apply 24/7. If the intent is "during school hours only," the S4-series plaque is required to make the conditional restriction enforceable.
Mistake 3: Permanent Speed Limit on a Conditional Sign
Using "SPEED LIMIT 20" without "WHEN CHILDREN PRESENT" or specific hours plaque creates a 24/7 restriction that conflicts with the surrounding posted speed limit. Drivers and enforcement both get confused.
Mistake 4: Skipping the End-of-Zone Sign
S5-2 "END SCHOOL ZONE" signs at the boundary exit are required to terminate the zone for enforcement purposes. Without S5-2, the zone is technically open-ended and ORS 811.235 enhanced fines may not apply downstream of the last sign.
Get a School-Zone Sign Quote
Cojo installs MUTCD S-series school-zone signs across Oregon K-12 schools, daycares, and university campuses with field-verified ORS 811.235 compliance and Type IV fluorescent yellow-green sheeting. Contact Cojo for a school-zone sign install quote.